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Science 2nd Nine Weeks Review
Test Description: Review for 2 nine weeks
Instructions: Answer all questions to get your test result.
1) The temperature at which water freezes enables water to exist in which two forms on Earth?
A
water in soil and water in plants
B
liquid oceans and solid glaciers
C
freshwater rivers and saltwater oceans
D
atmospheric vapor and cloud droplets
2) What type of landform is most likely formed by a divergent tectonic plate boundary?
A
island arc
B
rift zone
C
oceanic trench
D
folded mountains
3) A reverse fault occurs when one side of a fault plane is driven up over the other side. Reverse faults can cause which of these landforms?
A
mountains
B
islands
C
deltas
D
dunes
4) Crustal plates that pull apart from one another most likely form
A
strike-slip faults.
B
volcanic island arcs.
C
oceanic trenches.
D
rift zones.
5) Mountains are most likely formed
A
when glaciers melt.
B
along tectonic plates.
C
from earthquakes.
D
when land sinks.
6) The surface of Earth is composed of large tectonic plates that are constantly shifting as they float on top of molten rock. Which process must occur in the mantle to make the plates move?
A
convection currents
B
normal faulting
C
igneous intrusions
D
seafloor spreading
7) In 1785, James Hutton, stated that evidence of past occurrences can be used to explain events which happen today. Which could most likely be used to explain an event in the geologic past?
A
sunspots
B
earthquakes
C
wave patterns
D
cloud formations
8) Which event most likely takes place as the result of crustal movement along transform boundaries?
A
volcanic activity
B
mountain building
C
earthquakes
D
trenches
9) In what section of Earth do earthquakes happen?
A
mantle
B
inner core
C
crust
D
outer core
10) The islands in the mid-Pacific Ocean region were formed from
A
volcanic activity.
B
land subsidence.
C
wind and water erosion.
D
deposion from currents.
11) The theory of plate tectonics provides the current explanation for the way in which
A
rocks are formed.
B
tides are produced.
C
stars change.
D
continents move.
12) Which is the best explanation why the remains of a small reptile living millions of years ago have been found only in Brazil and South Africa?
A
subduction
B
converging boundaries
C
plate tectonics
D
mass extinction
13) Before strip mining for coal, the topsoil in the area is removed and stored. After mining operations are completed, the land is leveled and topsoil is replaced. The purpose of replacing topsoil is
A
to prevent wind from weathering and eroding surface coal.
B
to restore the area to a natural condition.
C
to prevent radioactive elements from polluting water sources.
D
to provide an environment for new coal formation.
14) Soil erosion can be best prevented by
A
heavily watering the vegetation on the slope.
B
increasing the slope of the land by adding more soil.
C
building terraces into the sides of a slope.
D
removing grass from the steepest slope.
15) Landscapers frequently plant grass on steep hills in the yards of new housing developments. Which statement best explains how grass can help conserve the soil?
A
The roots of the grass protect the soil from the effects of acid rain.
B
The roots of the grass spread out and hold the topsoil in place.
C
The grass attracts insects that enrich the soil by laying eggs.
D
The grass provides shade so the soil stays cool.
16) Of the choices listed, what is the best way to conserve water in a home?
A
turn off the water while brushing your teeth
B
run a half full dishwasher
C
take long showers
D
let the water run while washing the dishes
17) What is the main source of energy that drives all weather patterns?
A
the Sun
B
mountains
C
the Moon
D
oceans
18) What is the main source of energy for the water cycle?
A
the ocean
B
clouds
C
the Sun
D
fossil fuels
19) Using solar panels to convert solar energy into electricity may help slow the depletion of which resource?
A
copper
B
sunlight
C
water
D
coal
20) Turning off the light when leaving a room is an example of
A
using chemical energy.
B
wasting energy.
C
conserving energy.
D
using potential energy.
*select an answer for all questions
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